g++1.35 evaluates expression twice when destructor is virtual

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Article #313

#313

From: Michael Tiemann
Date: Tue, 01 Aug 1989 02:44

20 lines
994 bytes

    G++ evaluates the expression b.delfunc(this) twice.
    Discovered when porting ET++ [...]

Here is the fix (to function build_delete, near the top of the function):

*** cplus-init.c~	Fri Jul 28 14:56:18 1989
--- cplus-init.c	Mon Jul 31 19:39:05 1989
***************
*** 2704,2707 ****
--- 2704,2709 ----
  	  return expr;
  	}
+       if (TREE_VOLATILE (addr))
+ 	addr = save_expr (addr);
        ref = build_indirect_ref (addr, 0);
        ptr = 1;
yahi% 

Michael

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Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!tut.cis.ohio-state.edu!YAHI.STANFORD.EDU!tiemann
From: tiemann@YAHI.STANFORD.EDU (Michael Tiemann)
Newsgroups: gnu.g++.bug
Subject: g++1.35 evaluates expression twice when destructor is virtual
Message-ID: <8908010244.AA02549@yahi.Stanford.EDU>
Date: 1 Aug 89 02:44:04 GMT
References: <465@tnosoes.UUCP>
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